Barquín Arozamena, 22, studied civil engineering at Iowa State and was the Big 12 Conference player of the year in 2018.
He and his brother, Charles Koch, helped to build a massive conservative network of donors to support libertarian-leaning economic policies.
Police said the mother tried to take her own life and left two notes at the home.
Former U.S. Attorney Dan Webb was named as a special prosecutor to look into why state prosecutors abruptly dropped charges against Smollett.
The same Delta flight that was delayed 18 and a half hours on Wednesday going into Thursday was held up at least 19 hours the next day.